End-breath carbon dioxide monitoring and collecting tube for children

Abstract

The utility model relates to the technical field of medical instruments, and discloses an end-tidal carbon dioxide monitoring and collecting tube for children, which comprises a collector, a collecting cavity is arranged in the collector, an oxygen inlet hole, an oxygen outlet hole and a carbon dioxide outlet hole which are communicated with the collecting cavity are arranged on the collector, the oxygen inlet hole is connected with an oxygen catheter, and the other end of the oxygen catheter is connected with an oxygen generator. The oxygen outlet hole is communicated with a nasal oxygen tube matched with the nasal cavity of the human body, the carbon dioxide outlet hole is connected with a carbon dioxide collecting tube, and the other end of the carbon dioxide collecting tube is connected with an end-breath carbon dioxide monitor. The oxygen inlet hole is provided with an input one-way valve opened towards the gathering cavity; and the carbon dioxide outlet hole is provided with an output one-way valve opened towards the gathering cavity. According to the collecting tube, sufficient gas flow is provided for clinical treatment of children, meanwhile, the amount of sampled carbon dioxide gas is guaranteed, the moisture isolator is arranged, water vapor and secretions can be further filtered, and the effect of monitoring the breathing condition of a patient in real time is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, it is a kind of end tidal carbon dioxide monitoring collection tube for children. BACKGROUND

[0002] End tidal carbon dioxide (CO2 pressure at the end of tidal exhalation, PETCO2) monitoring is an important index for evaluating the lung ventilation function of children in pediatric intensive care unit, especially for children using non-invasive ventilator and high-flow oxygen assistance, the carbon dioxide content needs to be monitored frequently, PETCO2 as a non-invasive monitoring method can avoid repeated blood sampling detection, indirectly reflects PaCO2, and is widely used in children's perioperative lung ventilation function monitoring, which can not only timely find children with respiratory depression, hypoxia and alveolar ventilation deficiency, but also monitor the circulatory function and evaluate the effect of cardiopulmonary resuscitation, etc., to provide timely clinical evidence for perioperative treatment decision of children.

[0003] At present, for PETCO2 monitoring of children using non-invasive ventilator and high-flow oxygen assistance in clinic, side-flow carbon dioxide monitor is mostly used to sample and analyze exhaled gas, but the current carbon dioxide gas collection and non-invasive ventilator (high-flow oxygen) share one pipeline, and during collection and monitoring, gas suction not only sucks in tidal volume, reduces the detection effect of end tidal carbon dioxide, but also the secretions of respiratory pipeline block the sampling tube, affecting the detection accuracy, which needs frequent calibration. SUMMARY

[0004] The utility model provides a kind of end tidal carbon dioxide monitoring collection tube for children, the collection tube is while guaranteeing to provide sufficient gas flow for the clinical treatment of children again with guaranteeing sampling carbon dioxide gas quantity, and is equipped with water separator, can further filter water vapor and secretion, reach the effect of real-time monitoring patient respiratory condition.

[0005] The above object of the utility model is realized by the following technical solutions.

[0006] An end tidal carbon dioxide monitoring collection tube for children, comprising a collector, a collection cavity is arranged in the collector, an oxygen inlet hole, an oxygen outlet hole and a carbon dioxide outlet hole are arranged on the collector and communicated with the collection cavity, the oxygen inlet hole is connected with an oxygen delivery tube, the other end of the oxygen delivery tube is connected with an oxygen generator, the oxygen outlet hole is communicated with a nasal oxygen tube matched with human nasal cavity, the carbon dioxide outlet hole is connected with a carbon dioxide collection tube, and the other end of the carbon dioxide collection tube is connected with an end tidal carbon dioxide monitor; the oxygen inlet hole is provided with an input one-way valve opened in the direction of the collection cavity, and the carbon dioxide outlet hole is provided with an output one-way valve opened in the direction of the collection cavity.

[0007] The child end-tidal carbon dioxide monitoring collection tube, wherein the oxygen outlet hole comprises a first oxygen outlet hole and a second oxygen outlet hole, the nasal oxygen tube comprises a first nasal oxygen tube and a second nasal oxygen tube, the first oxygen outlet hole is communicated with the first nasal oxygen tube, and the second oxygen outlet hole is communicated with the second nasal oxygen tube.

[0008] The child end-tidal carbon dioxide monitoring collection tube, wherein the oxygen inlet hole comprises a first oxygen inlet hole and a second oxygen inlet hole, the first oxygen tube is communicated with the first oxygen inlet hole, and the second oxygen tube is communicated with the second oxygen inlet hole.

[0009] The child end-tidal carbon dioxide monitoring collection tube, wherein the oxygen inlet hole comprises a first oxygen inlet hole and a second oxygen inlet hole, the first oxygen tube is communicated with the first oxygen inlet hole, and the second oxygen tube is communicated with the second oxygen inlet hole.

[0010] The child end-tidal carbon dioxide monitoring collection tube, wherein the water separation device is arranged on the carbon dioxide collection tube, the water separation device comprises a cylindrical shell, two ends of the shell are provided with connecting heads, and a separation membrane is arranged in the shell; one of the connecting heads is communicated with the carbon dioxide outlet hole, and the other connecting head is communicated with the carbon dioxide collection tube.

[0011] The child end-tidal carbon dioxide monitoring collection tube, wherein the water separation device is arranged on the carbon dioxide collection tube, the water separation device comprises a cylindrical shell, two ends of the shell are provided with connecting heads, and a separation membrane is arranged in the shell; one of the connecting heads is communicated with the carbon dioxide outlet hole, and the other connecting head is communicated with the carbon dioxide collection tube.

[0012] The child end-tidal carbon dioxide monitoring collection tube, wherein the water separation device is arranged on the carbon dioxide collection tube, the water separation device comprises a cylindrical shell, two ends of the shell are provided with connecting heads, and a separation membrane is arranged in the shell; one of the connecting heads is communicated with the carbon dioxide outlet hole, and the other connecting head is communicated with the carbon dioxide collection tube.

[0013] The child end-tidal carbon dioxide monitoring collection tube, wherein the water separation device is arranged on the carbon dioxide collection tube, the water separation device comprises a cylindrical shell, two ends of the shell are provided with connecting heads, and a separation membrane is arranged in the shell; one of the connecting heads is communicated with the carbon dioxide outlet hole, and the other connecting head is communicated with the carbon dioxide collection tube.

[0014] The child end-tidal carbon dioxide monitoring collection tube, wherein the water separation device is arranged on the carbon dioxide collection tube, the water separation device comprises a cylindrical shell, two ends of the shell are provided with connecting heads, and a separation membrane is arranged in the shell; one of the connecting heads is communicated with the carbon dioxide outlet hole, and the other connecting head is communicated with the carbon dioxide collection tube.

[0015] The utility model discloses can adapt to the physical condition of children of all ages, guarantee for children clinical treatment provides sufficient air flow while again compatible guarantee sampling gas volume, and be equipped with water separator, can further filter water vapor and secretion, reach the effect of real -time monitoring patient breathing condition, avoided traditional blood oxygen detection and cannot in time effective reaction patient breathing condition and lead to miss the best rescue opportunity and cause the problem of dangerous, simultaneously avoided the over -abundance oxygen input and caused patient over -ventilation situation to happen. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the utility model embodiment one;

[0018] Figure 3 It is the structure schematic diagram of the utility model embodiment two;

[0019] Figure 4 It is the structure schematic diagram of the utility model embodiment three;

[0020] Figure 5 It is Figure 4 The A of enlarged view of of.

[0021] Fig. illustrates, 1, the concentrator of gathering; 11, the gathering cavity; 12, the oxygen inlet hole; 121, the first oxygen inlet hole; 122, the second oxygen inlet hole; 123, the input check valve; 1231, the first input check valve; 1232, the second input check valve; 13, the oxygen outlet hole; 131, the first oxygen outlet hole; 132, the second oxygen outlet hole; 14, the carbon dioxide outlet hole; 141, the output check valve; 15, the mask air hole; 151, the mask check valve; 2, the oxygen delivery pipe; 21, the main pipe; 22, the tee; 23, the first oxygen pipe; 34, the second oxygen pipe; 3, the oxygen generator; 4, the nasal oxygen pipe; 41, the first nasal oxygen pipe; 42, the second nasal oxygen pipe; 5, the carbon dioxide collection pipe; 6, the end tidal carbon dioxide monitor; 7, the mask; 71, the carbon dioxide catheter; 8, the water separator; 81, the shell; 82, the connecting head; 83, the isolation membrane; 84, the water absorption cotton; 9, the fixing part; 91, the fixing part body; 92, the mounting hole; 93, the adjusting groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings Figures 1-5 The utility model makes further detailed explanation.

[0023] For example, Figure 1As shown, a child end-tidal carbon dioxide monitoring collection tube comprises a collector 1, the collector 1 is provided with a collection cavity 11, the collector 1 is provided with an oxygen inlet hole 12, an oxygen outlet hole 13 and a carbon dioxide outlet hole 14 which are communicated with the collection cavity 11, the oxygen inlet hole 12 is connected with an oxygen delivery tube 2, the other end of the oxygen delivery tube 2 is connected with an oxygen generator 3, the oxygen outlet hole 13 is communicated with a nasal oxygen tube 4 which is adapted to the human nasal cavity, the carbon dioxide outlet hole 14 is connected with a carbon dioxide collection tube 5, the other end of the carbon dioxide collection tube 5 is connected with an end-tidal carbon dioxide monitor 6; the oxygen inlet hole 12 is provided with an input one-way valve 123 which is opened in the direction of the collection cavity 11, the carbon dioxide outlet hole 14 is provided with an output one-way valve 141 which is opened in the direction of the collection cavity 11.

[0024] The oxygen generated by the oxygen generator 3 enters the oxygen inlet hole 12 through the oxygen delivery tube 2, the pressure of the oxygen opens the input one-way valve 123, the oxygen enters the oxygen outlet hole 13 through the collection cavity 11, and finally enters the nasal cavity for oxygen inhalation through the nasal oxygen tube 4. When the nasal cavity exhales, the input one-way valve 123 is closed, the output one-way valve 141 is opened, the carbon dioxide exhaled by the nasal cavity enters the carbon dioxide outlet hole 14, the output one-way valve 141, the carbon dioxide collection tube 5 through the collection cavity 11, and finally enters the end-tidal carbon dioxide monitor 6.

[0025] As shown in Figure 2 , the oxygen outlet hole 13 of the first embodiment comprises a first oxygen outlet hole 131 and a second oxygen outlet hole 132, the nasal oxygen tube 4 comprises a first nasal oxygen tube 41 and a second nasal oxygen tube 42, the first oxygen outlet hole 131 is communicated with the first nasal oxygen tube 41, and the second oxygen outlet hole 132 is communicated with the second nasal oxygen tube 42. The first nasal oxygen tube 41 and the second nasal oxygen tube 42 of the nasal oxygen tube 4 of the embodiment are respectively inserted into the two nasal cavities of the child, and the oxygen inhalation mode is more suitable for the respiration of the child.

[0026] As shown in Figure 3 , the oxygen delivery tube 2 of the second embodiment comprises a main tube 21, a three-way valve 22, a first oxygen tube 23 and a second oxygen tube 34, one end of the main tube 21 is connected with the oxygen generator 3, the other end of the main tube 21 is communicated with the three-way valve 22, one end of the first oxygen tube 23 and the second oxygen tube 34 is respectively communicated with the three-way valve 22; the oxygen inlet hole 12 comprises a first oxygen inlet hole 121 and a second oxygen inlet hole 122, the other end of the first oxygen tube 23 is communicated with the first oxygen inlet hole 121, and the other end of the second oxygen tube 34 is communicated with the second oxygen inlet hole 122; the input one-way valve 123 comprises a first input one-way valve 1231 and a second input one-way valve 1232, the first input one-way valve 1231 is arranged in the first oxygen inlet hole 121, and the second input one-way valve 1232 is arranged in the second oxygen inlet hole 122.

[0027] By arranging the three-way valve 22, the first oxygen tube 23 and the second oxygen tube 34, the safety of the oxygen inhalation channel of the child is improved, and even if one oxygen inhalation channel has a problem, the other oxygen inhalation channel can still complete the oxygen supply work.

[0028] As Figure 4 shown, the third embodiment also includes a mask 7, the mask 7 is provided with a carbon dioxide pipe 71 which is in communication with the inner cavity of the mask 7, the collector 1 is provided with a mask air hole 15 which is in communication with the collection cavity 11, the mask air hole 15 is provided with a mask one-way valve 151 which is opened in the direction of the collection cavity 11, and the other end of the carbon dioxide pipe 71 is in communication with the mask air hole 15; the mask 7 is provided with a through hole through which the nasal oxygen pipe 4 passes.

[0029] As Figures 3-5 shown, the carbon dioxide collection pipe 5 is provided with a water separator 8, the water separator 8 includes a cylindrical shell 81, the shell 81 is provided with connecting heads 82 at both ends, and the shell 81 is provided with a separation membrane 83, one connecting head 82 is in communication with the carbon dioxide outlet hole 14, and the other connecting head 82 is in communication with the carbon dioxide collection pipe 5.

[0030] The separation membrane 83 can prevent water from penetrating, but carbon dioxide gas can pass through, because the humidity of the gas exhaled by the patient is high, it is easy to produce condensed water in the carbon dioxide collection pipe 5, the carbon dioxide gas containing condensed water will affect the monitoring accuracy, leading to the decrease of monitoring accuracy and sensitivity, and the condensed water needs to be discharged or the carbon dioxide collection pipe 5 needs to be replaced many times, by setting the water separator 8, the carbon dioxide gas with high humidity is prevented from entering the end-tidal carbon dioxide monitor 6.

[0031] Further, the separation membrane 83 is located in the shell 81 away from the collector 1, and the shell 81 is provided with a water absorption cotton 84 close to the collector 1.

[0032] The water separator 8 can be replaced regularly according to the use time, so as to ensure the accuracy of the end-tidal carbon dioxide monitor 6.

[0033] As Figure 3 , 4 shown, the first oxygen pipe 23 and the second oxygen pipe 34 are embedded with a fixing piece 9, the fixing piece 9 includes a fixing piece body 91 in the shape of a cube, the fixing piece body 91 is provided with mounting holes 92 which are parallel to each other, the two mounting holes 92 penetrate through the fixing piece body 91, and the side of the two mounting holes 92 is provided with an adjusting groove 93 which extends along the length direction of the corresponding mounting hole 92, and the adjusting groove 93 is in communication with the corresponding mounting hole 92.

[0034] By expanding the adjusting groove 93 on the side of the mounting hole 92, the first oxygen pipe 23 and the second oxygen pipe 34 can be embedded in the corresponding mounting hole 92, and the first oxygen pipe 23 and the second oxygen pipe 34 are arranged together by the fixing piece 9, so as to avoid the inconvenience caused by the dispersion of the first oxygen pipe 23 and the second oxygen pipe 34.

[0035] The oxygen supply pipe 2 and the nasal oxygen pipe 4 are made of transparent material, so that the abnormal changes in the oxygen supply pipe 2 and the nasal oxygen pipe 4 can be observed conveniently.

[0036] As Figure 3 shown, oxygen generator 3 works, oxygen generator 3 generated by the oxygen through the main pipe 21 and three-way valve 22 into the first oxygen pipe 23 and the second oxygen pipe 34, when the child left and right nasal cavity inspiration, by the strength of inspiration can be self-regulating inspiration, inspiration process, the collection chamber 11 generates negative pressure, the first input one-way valve 1231 and the second input one-way valve 1232 open, at this time the output one-way valve 141 is closed, oxygen through the collection chamber 11 into the first nasal oxygen pipe 41 and the second nasal oxygen pipe 42 to the child's two nasal cavity oxygen.

[0037] When the child's nasal cavity exhalation, two nasal cavity exhaled carbon dioxide into the collection chamber 11, the gas pressure in the collection chamber 11 increases, the first input one-way valve 1231 and the second input one-way valve 1232 close, the output one-way valve 141 open, the exhaled carbon dioxide through the carbon dioxide outlet hole 14, carbon dioxide collection tube 5 into the end-tidal carbon dioxide monitor 6, end-tidal carbon dioxide monitor 6 monitors the end-tidal carbon dioxide concentration, timely discovery of the presence of respiratory depression, hypoxia and alveolar ventilation of children with insufficient, but also to monitor the circulatory function and evaluate the effect of cardiopulmonary resuscitation, etc., for the treatment of perioperative children to provide timely clinical evidence. If the oxygen leakage occurs during the process, or oxygen supply pipe blockage and other failures, end-tidal carbon dioxide monitor can timely alarm prompt, prompt medical staff to find and handle in time.

[0038] As Figure 4 , 5 shown, according to the child's physical condition or surgical condition, can also be used simultaneously with mask 7 for carbon dioxide collection, implementation of end-tidal carbon dioxide monitoring.

[0039] When using the mask 7, the first oxygen pipe 23 and the second oxygen pipe 34 from the mask 7 outside to the inside through the mask 7 hole, and inserted into the left and right nasal cavity, the mask 7 on the carbon dioxide pipe 71 with the collection chamber 11 on the mask vent hole 15 communication, and then the mask 7 fixed in the mouth and nose can be used. Oral exhaled carbon dioxide gas through the mask 7 on the carbon dioxide pipe 71 into the mask vent hole 15, the exhaled carbon dioxide gas pressure will mask one-way valve 151 open into the collection chamber 11, the gas pressure in the collection chamber 11 increases, the first input one-way valve 1231 and the second input one-way valve 1232 close, the output one-way valve 141 open, the exhaled carbon dioxide through the carbon dioxide outlet hole 14, carbon dioxide collection tube 5 into the end-tidal carbon dioxide monitor 6.

[0040] The embodiments of the specific embodiment are the preferred embodiments of the utility model, not limited by this, the protection scope of the utility model, therefore: all equivalent changes made according to the structure, shape, principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. An end-tidal carbon dioxide monitoring collection tube for children, characterized in that, The device comprises a collector, which is internally provided with a collecting cavity, and is externally provided with an oxygen inlet hole, an oxygen outlet hole and a carbon dioxide outlet hole, which are connected with the collecting cavity, the oxygen inlet hole is connected with an oxygen supply pipe, the other end of the oxygen supply pipe is connected with an oxygen generator, the oxygen outlet hole is connected with a nasal oxygen pipe which is adapted to the human nasal cavity, the carbon dioxide outlet hole is connected with a carbon dioxide collection pipe, the other end of the carbon dioxide collection pipe is connected with a breath-end carbon dioxide monitor, the oxygen inlet hole is provided with an input one-way valve which is opened in the direction of the collecting cavity, and the carbon dioxide outlet hole is provided with an output one-way valve which is opened in the direction of the collecting cavity.

2. The end-tidal carbon dioxide monitoring collection tube for children of claim 1, wherein, The oxygen outlet hole comprises a first oxygen outlet hole and a second oxygen outlet hole, the nasal oxygen pipe comprises a first nasal oxygen pipe and a second nasal oxygen pipe, the first oxygen outlet hole is connected with the first nasal oxygen pipe, and the second oxygen outlet hole is connected with the second nasal oxygen pipe.

3. The end-tidal carbon dioxide monitoring collection tube for children according to claim 1 or 2, characterized in that, The oxygen supply pipe comprises a main pipe, a three-way pipe, a first oxygen pipe and a second oxygen pipe, one end of the main pipe is connected with the oxygen generator, the other end of the main pipe is connected with the three-way pipe, one end of the first oxygen pipe and the second oxygen pipe is connected with the three-way pipe respectively, the oxygen inlet hole comprises a first oxygen inlet hole and a second oxygen inlet hole, the first oxygen pipe is connected with the first oxygen inlet hole, and the second oxygen pipe is connected with the second oxygen inlet hole, the input one-way valve comprises a first input one-way valve and a second input one-way valve, the first oxygen inlet hole is provided with the first input one-way valve, and the second oxygen inlet hole is provided with the second input one-way valve.

4. The end-tidal carbon dioxide monitoring collection tube for children of claim 1, wherein, The device further comprises a face mask, which is provided with a carbon dioxide guide pipe which is connected with the inner cavity of the face mask, the collector is provided with a face mask air hole which is connected with the collecting cavity, the face mask air hole is provided with a face mask one-way valve which is opened in the direction of the collecting cavity, and the other end of the carbon dioxide guide pipe is connected with the face mask air hole, the face mask is provided with a through hole through which the nasal oxygen pipe passes.

5. The end-tidal carbon dioxide monitoring collection tube for children of claim 1, wherein, The carbon dioxide collection pipe is provided with a water separator, which comprises a cylindrical shell, two ends of the shell are provided with connecting heads, the shell is internally provided with a separation membrane, one connecting head is connected with the carbon dioxide outlet hole, and the other connecting head is connected with the carbon dioxide collection pipe.

6. The end-tidal carbon dioxide monitoring collection tube for children of claim 5, wherein, The separation membrane is located at the side of the shell which is away from the collector, and the side of the shell which is close to the collector is provided with a water absorption cotton.

7. The end-tidal carbon dioxide monitoring collection tube for children of claim 3, wherein, A fixing piece is embedded between the first oxygen pipe and the second oxygen pipe, the fixing piece comprises a cubic fixing piece body, the fixing piece body is provided with two mounting holes which are parallel to each other, and the side of each mounting hole is provided with an adjusting groove which extends along the length direction of the corresponding mounting hole.

8. The end-tidal carbon dioxide monitoring collection tube for children of claim 1, wherein, The oxygen supply pipe and the nasal oxygen pipe are both made of transparent material.

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